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path: root/src/input/libdvdread/ifo_read.c
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Diffstat (limited to 'src/input/libdvdread/ifo_read.c')
-rw-r--r--src/input/libdvdread/ifo_read.c159
1 files changed, 141 insertions, 18 deletions
diff --git a/src/input/libdvdread/ifo_read.c b/src/input/libdvdread/ifo_read.c
index e435e4ecd..6dd5d3d5d 100644
--- a/src/input/libdvdread/ifo_read.c
+++ b/src/input/libdvdread/ifo_read.c
@@ -19,7 +19,7 @@
#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
+
#include <inttypes.h>
#include <string.h>
#include <assert.h>
@@ -83,7 +83,7 @@ static void ifoFree_PGC_COMMAND_TBL(pgc_command_tbl_t *cmd_tbl);
static void ifoFree_PGCIT_internal(pgcit_t *pgcit);
-static int DVDFileSeek_( dvd_file_t *dvd_file, uint32_t offset ) {
+static inline int DVDFileSeek_( dvd_file_t *dvd_file, uint32_t offset ) {
return (DVDFileSeek(dvd_file, (int)offset) == (int)offset);
}
@@ -98,6 +98,8 @@ ifo_handle_t *ifoOpen(dvd_reader_t *dvd, int title) {
memset(ifofile, 0, sizeof(ifo_handle_t));
ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_FILE);
+ if(!ifofile->file) /* Should really catch any error and try to fallback */
+ ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_BACKUP_FILE);
if(!ifofile->file) {
if(title) {
fprintf(stderr, "libdvdread: Can't open file VTS_%02d_0.IFO.\n", title);
@@ -146,6 +148,7 @@ ifo_handle_t *ifoOpen(dvd_reader_t *dvd, int title) {
ifoRead_PGCI_UT(ifofile);
+ ifoRead_VTS_TMAPT(ifofile);
ifoRead_C_ADT(ifofile);
ifoRead_VOBU_ADMAP(ifofile);
@@ -180,6 +183,8 @@ ifo_handle_t *ifoOpenVMGI(dvd_reader_t *dvd) {
memset(ifofile, 0, sizeof(ifo_handle_t));
ifofile->file = DVDOpenFile(dvd, 0, DVD_READ_INFO_FILE);
+ if(!ifofile->file) /* Should really catch any error and try to fallback */
+ ifofile->file = DVDOpenFile(dvd, 0, DVD_READ_INFO_BACKUP_FILE);
if(!ifofile->file) {
fprintf(stderr, "libdvdread: Can't open file VIDEO_TS.IFO.\n");
free(ifofile);
@@ -211,6 +216,8 @@ ifo_handle_t *ifoOpenVTSI(dvd_reader_t *dvd, int title) {
}
ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_FILE);
+ if(!ifofile->file) /* Should really catch any error and try to fallback */
+ ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_BACKUP_FILE);
if(!ifofile->file) {
fprintf(stderr, "libdvdread: Can't open file VTS_%02d_0.IFO.\n", title);
free(ifofile);
@@ -1020,8 +1027,7 @@ int ifoRead_PTL_MAIT(ifo_handle_t *ifofile) {
if(ifofile->vmgi_mat->ptl_mait == 0)
return 1;
- if(!DVDFileSeek_(ifofile->file,
- ifofile->vmgi_mat->ptl_mait * DVD_BLOCK_LEN))
+ if(!DVDFileSeek_(ifofile->file, ifofile->vmgi_mat->ptl_mait * DVD_BLOCK_LEN))
return 0;
ptl_mait = (ptl_mait_t *)malloc(sizeof(ptl_mait_t));
@@ -1077,7 +1083,6 @@ int ifoRead_PTL_MAIT(ifo_handle_t *ifofile) {
return 1;
}
-
void ifoFree_PTL_MAIT(ifo_handle_t *ifofile) {
if(!ifofile)
return;
@@ -1089,6 +1094,137 @@ void ifoFree_PTL_MAIT(ifo_handle_t *ifofile) {
}
}
+int ifoRead_VTS_TMAPT(ifo_handle_t *ifofile) {
+ vts_tmapt_t *vts_tmapt;
+ uint32_t *vts_tmap_srp;
+ unsigned int offset;
+ int info_length;
+ unsigned int i, j;
+
+ if(!ifofile)
+ return 0;
+
+ if(!ifofile->vtsi_mat)
+ return 0;
+
+ if(ifofile->vtsi_mat->vts_tmapt == 0) { /* optional(?) */
+ ifofile->vts_tmapt = NULL;
+ return 1;
+ }
+
+ offset = ifofile->vtsi_mat->vts_tmapt * DVD_BLOCK_LEN;
+
+ if(!DVDFileSeek_(ifofile->file, offset))
+ return 0;
+
+ vts_tmapt = (vts_tmapt_t *)malloc(sizeof(vts_tmapt_t));
+ if(!vts_tmapt)
+ return 0;
+
+ ifofile->vts_tmapt = vts_tmapt;
+
+ if(!(DVDReadBytes(ifofile->file, vts_tmapt, VTS_TMAPT_SIZE))) {
+ fprintf(stderr, "libdvdread: Unable to read VTS_TMAPT.\n");
+ free(vts_tmapt);
+ ifofile->vts_tmapt = NULL;
+ return 0;
+ }
+
+ B2N_16(vts_tmapt->nr_of_tmaps);
+ B2N_32(vts_tmapt->last_byte);
+
+ CHECK_ZERO(vts_tmapt->zero_1);
+
+ info_length = vts_tmapt->nr_of_tmaps * 4;
+
+ vts_tmap_srp = (uint32_t *)malloc(info_length);
+ if(!vts_tmap_srp) {
+ free(vts_tmapt);
+ ifofile->vts_tmapt = NULL;
+ return 0;
+ }
+
+ if(!(DVDReadBytes(ifofile->file, vts_tmap_srp, info_length))) {
+ fprintf(stderr, "libdvdread: Unable to read VTS_TMAPT.\n");
+ free(vts_tmap_srp);
+ free(vts_tmapt);
+ ifofile->vts_tmapt = NULL;
+ return 0;
+ }
+
+ info_length = vts_tmapt->nr_of_tmaps * sizeof(vts_tmap_t);
+
+ vts_tmapt->tmap = (vts_tmap_t *)malloc(info_length);
+ if(!vts_tmapt->tmap) {
+ free(vts_tmap_srp);
+ free(vts_tmapt);
+ ifofile->vts_tmapt = NULL;
+ return 0;
+ }
+ memset(vts_tmapt->tmap, 0, info_length); /* So ifoFree_VTS_TMAPT works. */
+
+ for(i = 0; i < vts_tmapt->nr_of_tmaps; i++) {
+ if(!DVDFileSeek_(ifofile->file, offset + vts_tmap_srp[i])) {
+ free(vts_tmap_srp);
+ ifoFree_VTS_TMAPT(ifofile);
+ return 0;
+ }
+ if(!(DVDReadBytes(ifofile->file, &vts_tmapt->tmap[i], VTS_TMAP_SIZE))) {
+ fprintf(stderr, "libdvdread: Unable to read VTS_TMAP.\n");
+ free(vts_tmap_srp);
+ ifoFree_VTS_TMAPT(ifofile);
+ return 0;
+ }
+
+ B2N_16(vts_tmapt->tmap[i].nr_of_entries);
+ CHECK_ZERO(vts_tmapt->tmap[i].zero_1);
+
+ if(vts_tmapt->tmap[i].nr_of_entries == 0) { /* Early out if zero entries */
+ vts_tmapt->tmap[i].map_ent = NULL;
+ continue;
+ }
+
+ info_length = vts_tmapt->tmap[i].nr_of_entries * sizeof(map_ent_t);
+
+ vts_tmapt->tmap[i].map_ent = (map_ent_t *)malloc(info_length);
+ if(!vts_tmapt->tmap[i].map_ent) {
+ free(vts_tmap_srp);
+ ifoFree_VTS_TMAPT(ifofile);
+ return 0;
+ }
+
+ if(!(DVDReadBytes(ifofile->file, vts_tmapt->tmap[i].map_ent, info_length))) {
+ fprintf(stderr, "libdvdread: Unable to read VTS_TMAP_ENT.\n");
+ free(vts_tmap_srp);
+ ifoFree_VTS_TMAPT(ifofile);
+ return 0;
+ }
+
+ for(j = 0; j < vts_tmapt->tmap[i].nr_of_entries; j++)
+ B2N_32(vts_tmapt->tmap[i].map_ent[j]);
+ }
+ free(vts_tmap_srp);
+
+ return 1;
+}
+
+void ifoFree_VTS_TMAPT(ifo_handle_t *ifofile) {
+ unsigned int i;
+
+ if(!ifofile)
+ return;
+
+ if(ifofile->vts_tmapt) {
+ for(i = 0; i < ifofile->vts_tmapt->nr_of_tmaps; i++)
+ if(ifofile->vts_tmapt->tmap[i].map_ent)
+ free(ifofile->vts_tmapt->tmap[i].map_ent);
+ free(ifofile->vts_tmapt->tmap);
+ free(ifofile->vts_tmapt);
+ ifofile->vts_tmapt = NULL;
+ }
+}
+
+
int ifoRead_TITLE_C_ADT(ifo_handle_t *ifofile) {
if(!ifofile)
@@ -1655,17 +1791,6 @@ static int ifoRead_VTS_ATTRIBUTES(ifo_handle_t *ifofile,
return 1;
}
-void hexdump (uint8_t *buf, int size) {
- int i;
-
- for (i=0; i<size; i++) {
- printf ("%02x ", buf[i]);
- if ( (i%8)==7)
- printf ("\n");
- }
- printf ("\n");
-
-}
int ifoRead_VTS_ATRT(ifo_handle_t *ifofile) {
@@ -1698,8 +1823,6 @@ int ifoRead_VTS_ATRT(ifo_handle_t *ifofile) {
return 0;
}
- /* hexdump (vts_atrt, VTS_ATRT_SIZE); */
-
B2N_16(vts_atrt->nr_of_vtss);
B2N_32(vts_atrt->last_byte);
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-10 06:32:26 +0000